No, the products available in the gift registry will not be removed after someone purchases it. But we manage a “Want”, “Has” and “Need” count for this.
For example, if any customer A has added single quantity of 4 different products say Shirt, Jeans, Hat, and Belt in his registry and then shared it with other customers say B, C, and D. Now, at initial A Wants 1, Has 0, and Needs 1 of each. If B bought Shirt for him then counts will be updated as A Wanted 1 Shirt, Has 1 of Shirt, and Needs 0 Shirt now. Below snapshot would be helpful for better understanding –
This screen will be visible to the customers with whom the registry has been shared. At initial, when anyone hasn’t purchased from the registry, it will look like this –And once someone bought a product from the registry, the has and need counts will be updated and visible to all other customers with whom registry has been shared –